Casserole



FIG. 1 is a top, front, side perspective view of a casserole showing my new design therefor;

FIG. 2 is a bottom, rear, side perspective view thereof;

FIG. 3 is a front elevational view thereof;

FIG. 4 is a side elevational view thereof;

FIG. 5 is a top plan view thereof; and,

FIG. 6 is a bottom plan view thereof. 

The ornamental design for a casserole, as shown and described. 